Mystery du jour: why has The Weinstein Co. taken its name off the animated horror-film spoof “Igor,” opening next Friday? This one has been on TWC’s schedule for a while, and you can vaguely make out their logo in the lower left hand corner of this teaser poster released last fall. But their logo has disappeared from the final poster, the movie’s website and the press kit, as well as the film itself, which, like most of TWC’s wide releases, is going out via MGM (whose logo does prominently appear). At the screening I attended, a rep for the film confirmed the continued involvement of the Weinsteins, who announced a multi-year deal with the film’s France-based producers last year. Indeed, Harvey’s fingerprints are all over “Igor,” beginning with the voice casting of one of his (and our) favorite actors, John Cusack, in the title role as a hunchback who aspires to be a mad scientist. The eclectic vocal cast includes Steve Buscemi, Jennifer Coolidge, Eddie Izzard, Sean Hayes, John Cleese and in a live-action insert as “himself,” James Lipton.